109127531 has 2 divisors, whose sum is σ = 109127532. Its totient is φ = 109127530.

The previous prime is 109127509. The next prime is 109127563. The reversal of 109127531 is 135721901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109127531 - 2¹⁴ = 109111147 is a prime.

It is a super-2 number, since 2×109127531² = 23817636044311922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109127494 and 109127503.

It is not a weakly prime, because it can be changed into another prime (109127581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54563765 + 54563766.

It is an arithmetic number, because the mean of its divisors is an integer number (54563766).

Almost surely, 2^109127531 is an apocalyptic number.

109127531 is a deficient number, since it is larger than the sum of its proper divisors (1).

109127531 is an equidigital number, since it uses as much as digits as its factorization.

109127531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 109127531 is about 10446.4123506590. The cubic root of 109127531 is about 477.8718443454.

The spelling of 109127531 in words is "one hundred nine million, one hundred twenty-seven thousand, five hundred thirty-one".